Surname Kopustinskas (Kopustinskas 
) , in the world, is a very rare cognomen. The last name Kopustinskas is habitual in Northern Europe, particularly Lithuania, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kopustinskas | United Kingdom, Lithuania |
| audris kopustinskas LT (b. 1945) |
|
|
| vytis kopustinskas Ph.D. Vytauto Didžiojo Universitetas 2001 |
|
|
| povilas kopustinskas |
|